Glass fiber epoxy resin railway composite insulator

Composite insulator is composed of three parts: insulating core rod, silicon rod rubber umbrella sleeve and connecting fittings at both ends. Insulating core rod is the abbreviation of epoxy glass fiber drawing rod. It is the skeleton of composite insulator, which plays multiple roles such as supporting umbrella cover, internal insulation, connecting hardware at both ends, and bearing mechanical load. It has high tensile strength, which is generally over 600Mpa, which is twice as high as that of ordinary steel and 5-8 times as high as that of porcelain material. It also has good dielectric properties, chemical corrosion resistance, bending fatigue resistance, creep resistance and impact resistance. Silicone rubber umbrella cover mainly plays the role of protecting mandrel, shielding rain and snow, increasing creepage distance and external insulation of products. Silicone rubber is based on polymer silicone rubber, supplemented by fillers such as flame retardant, anti-aging agent and coupling agent, which is vulcanized at high temperature and high pressure. Silicone rubber umbrella cover has good hydrophobicity and mobility, as well as good corrosion resistance, aging resistance and electrical insulation. Moreover, it has high pollution lightning voltage and crushing resistance, and its voltage distribution is uniform. Compared with porcelain, its flashover voltage is more than twice that of porcelain under the same conditions. Our company has more than 10 years' experience in designing, researching and manufacturing composite insulators. Optimize product design according to applicable area, pollution level, connection mode, operating voltage and technical requirements provided by users! In the production of composite insulators in our company, the connection between hardware fittings and mandrel adopts advanced computer control and one-cylinder eight-jaw synchronous crimping process. At the same time of crimping, a full-automatic ultrasonic flaw detection system is carried out, which ensures the reliability and stability of the connection between hardware fittings and mandrel. The core is acid-resistant and high-temperature resistant mandrel, and the interface between mandrel and silicone rubber, and the interface between hardware and silicone rubber are coated with coupling agents, which are integrally molded by injection process. Advanced production. Equipment, manufacturing process and complete detection means ensure that all performance indexes of the product meet IEC61109 and GB/T19519-2004 standards. The factory qualification rate is 100%, and the products are traceable from raw materials to finished products.